JP2003283534A - Key telephone equipment and program - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To reduce a burden to a user in the case of call incoming even when performing a speech using an audio packet. <P>SOLUTION: An originating side IP address for permitting call incoming to each IP telephone terminal 3 is registered in an incoming management table 18A provided in a storage part 18 of a main unit 1 beforehand and in accordance with an incoming message from an originating side telephone terminal 4, an incoming judging means 17A in the main unit 1 judges whether the originating side IP address acquired from the incoming message is registered in the incoming management table 18A or not. When the corresponding incoming destination is registered, a telephone set of the incoming destination is called. <P>COPYRIGHT: (C)2004,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a key telephone device,
The present invention relates to an IP telephone terminal and a program, and particularly to a button telephone device, an IP telephone terminal and a program for forming a call using voice packets.

[0002]

2. Description of the Related Art A button telephone apparatus for forming a call by transmitting and receiving voice packets via an IP network such as the Internet is used in addition to a general button telephone for individually transmitting data via an extension transmission line. There is also a configuration in which the main device accommodates an IP telephone terminal that performs packet communication via a communication path. In this case, the main device and each IP
Each telephone terminal has its own IP address, and packet control is performed using the IP address to realize call control and communication. Further, regarding a protocol of this kind of audiovisual communication using a packet communication network, for example, H.264 of ITU-T is used. 323
It is regulated by the system, etc., and the above-mentioned button telephone device also complies with this regulation.

Conventionally, in such a key telephone device, a representative IP address is set as a global IP address on the IP network side corresponding to a representative number in the telephone network, and an incoming call to the representative IP address is made by the main device. It detects it and calls each IP telephone terminal. When one of the IP telephone terminals responds to the call, the main device relays a voice packet exchanged between the IP telephone terminal and the calling side,
A voice packet call is formed between the responding IP telephone terminal and the calling side.

[0004]

However, in such a conventional key telephone apparatus, since the call control depending on the telephone exchange work by the user is performed in the voice packet call, the load on the user at the time of the incoming call is reduced. There was a problem that it could not be reduced. For example, a key telephone device using a telephone network accommodates a telephone line having a direct telephone number different from the representative telephone number, and provides a dial-in service for calling a specific key telephone when receiving an incoming call to that telephone number. ing. However, since the above key telephone device depends on the telephone exchange work by the user, it is necessary to perform the telephone exchange work at the representative IP telephone terminal or each IP telephone terminal. Will be a burden to The present invention is intended to solve such a problem, and provides a button telephone device, an IP telephone terminal, and a program that can reduce the burden on the user when receiving a call even when making a call using a voice packet. Is intended.

[0005]

In order to achieve such an object, a button telephone apparatus according to the present invention comprises a main unit connected to an IP network and a plurality of IP telephone terminals connected to the main unit. In the key telephone device, in which the main device performs incoming control according to an incoming message from the IP network, the main device is provided with the identification information including the originating IP address or the destination IP address included in the incoming message and the IP telephone. An incoming call management table that manages terminals in association with each other and an IP by referring to the incoming call management table
An incoming call determining means for determining any one or more IP telephone terminals corresponding to the identification information included in the incoming message from the network as the incoming call destination is provided.

At this time, the main device manages, in the incoming call management table, the subaddress included in the incoming message as identification information for designating the called party separately from the destination IP address in association with the IP telephone terminal. The incoming call determination means may determine the IP telephone terminal corresponding to the sub-address included in the incoming message as the destination by referring to the incoming call management table.

Another key telephone device according to the present invention is a main device connected to an IP network, and a plurality of I's connected in parallel to the main device for the IP network.
In a button telephone device which is composed of a P telephone terminal and whose main device performs incoming control according to an incoming message from the IP network, the main device is identified by the originating IP address or the destination IP address included in the incoming message. And an IP telephone terminal are managed in association with each other, and an incoming call management table based on an incoming call determination request transmitted from the IP telephone terminal in response to an incoming message received from the IP network at the IP telephone terminal. See,
Any one or more IP telephone terminals corresponding to the identification information included in the incoming message is determined as the destination, and when the destination includes the IP telephone terminal, the permission of the incoming call is notified to the IP telephone terminal. In the case where the IP telephone terminal is not included in the recipients, an incoming call determining means for notifying the IP telephone terminal of the incoming call rejection is provided.

The IP telephone terminal according to the present invention is
A button which is composed of a main device connected to the P network and a plurality of IP telephone terminals connected to the IP network in parallel with the main device, and which controls the incoming call according to an incoming message from the IP network in the main device. In an IP telephone terminal used in a telephone device, an incoming call determination is requested to the main device in response to the receipt of an incoming message, and a call or an incoming call rejection is performed according to the incoming message based on the determination result from the main device. A terminal control unit is provided.

Further, the program according to the present invention is an IP
Of a key telephone device including a main device connected to a network and a plurality of IP telephone terminals connected to the main device, the key telephone device is executed by a computer provided in the main device,
A program for causing a main device to perform an incoming call control according to an incoming message from an IP network, the incoming call management table provided in the main device by a computer,
The step of managing the identification information consisting of the source IP address or the destination IP address included in the incoming message and the IP telephone terminal in association with each other, and referring to the incoming call management table according to the incoming message from the IP network, And a step of determining any one or more IP telephone terminals corresponding to the identification information included in (1) as a destination.

At this time, in the incoming call management table, the destination IP
The sub-address included in the incoming message is referenced by referring to the step of managing the sub-address included in the incoming message as identification information for designating the destination separately from the address in association with the IP telephone terminal and the incoming call management table. And the step of determining the IP telephone terminal corresponding to the above as the destination.

Further, another program according to the present invention is
Of a key telephone device composed of a main device connected to an IP network and a plurality of IP telephone terminals connected in parallel to the main device to the IP network, executed by a computer provided in the main device, A program for causing a main device to perform an incoming call control according to an incoming message from an IP network, wherein an incoming IP address or a called side included in the incoming message is included in an incoming message management table provided in the main device. The step of managing the identification information composed of the IP address and the IP telephone terminal in association with each other, and the determination of the destination based on the incoming call determination request transmitted from the IP telephone terminal in response to the reception of the incoming message at the IP telephone terminal. If the destination is the IP telephone terminal, the permission of the incoming call is notified to the IP telephone terminal, and the destination is the IP telephone terminal. If not, the said a call rejection I
The step of notifying the P telephone terminal is executed.

Another program according to the present invention is
Of a key telephone device including a main device connected to the IP network and a plurality of IP telephone terminals connected to the IP network in parallel with the main device, the key telephone device is executed by a computer provided in the IP telephone terminal. A program for causing an IP telephone terminal to perform incoming call control according to an incoming message from the IP network, the step of requesting the computer to determine the incoming call to the main device in response to the receipt of the incoming message from the IP network. The step of making a call or rejecting an incoming call according to the incoming message is executed based on the determination result from the main device.

[0013]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, embodiments of the present invention will be described with reference to the drawings. FIG. 1 is a block diagram showing the configuration of a key telephone device according to a first embodiment of the present invention. This key telephone device is composed of a main unit 1, a key telephone 2, and an IP telephone terminal 3. The main device 1 includes a telephone network connection unit 11 and an IP network connection unit 1.
2, IP telephone terminal connection unit 13, button telephone connection unit 1
4, switch 15, data / voice converter 16, controller 1
7 and a storage unit 18 are provided.

The telephone network connection unit 11 is a circuit unit for terminating control of a telephone line 10A from a telephone network 5A such as a public telephone network. The IP network connection unit 12 is a circuit unit that controls the termination of the communication line 10B from the IP network 5B such as the Internet. The IP telephone terminal connection unit 13
IP telephone terminal 3 via a data communication path 30 such as a LAN
Is a circuit unit for connecting the. The button telephone connection unit 14 is
It is a circuit unit that connects the key telephone 2 via the extension transmission line 20. The switch 15 is a circuit unit for exchanging and connecting the path on the telephone network connection unit 11 side and the path on the button telephone connection unit 14 side. The data / voice conversion unit 16 is a circuit unit that mutually converts voice packets on the IP network connection unit 12 side and voice data on the switch 15 side.

The control unit 17 has a computer (hardware resource) composed of a microprocessor such as a CPU and its peripheral circuits, and is a functional unit that controls each unit of the main unit 1 by executing a predetermined program. Storage unit 1
Reference numeral 8 denotes a circuit unit for storing various data used for control of the control unit 17 in addition to the incoming call management table 18A used for incoming call determination processing. The control unit 17 includes an incoming call determining unit 17A that determines whether the incoming call is possible and the incoming call destination by referring to the incoming call management table 18A according to the incoming call from the IP network 5B side.
Incoming call management table 18 with the other party as the call originator
Table registration means 17B for registering with A is provided. These functional means are realized by cooperating the above hardware resources and programs.

The recording medium 19 is a recording medium such as a CD-ROM or a flexible disk, and the incoming call determining means 17
Programs for realizing various processes in the control unit 17 including A and table registration means 17B are recorded. The program recorded in the recording medium 19 is read by the main device 1 as needed at the time of initial operation after the installation of the key telephone device or at the time of maintenance, and is stored in the storage unit 18, and various kinds of control by the control unit 17 are performed. Realize processing.

When an incoming call is received from the telephone network 5A via the telephone line 10A, the control unit 17 detects the incoming call via the telephone network connection unit 11. Then, the key telephone 2 is called by transmitting data from the key telephone connecting unit 14 through the extension transmission line 20, and the switch 15 is controlled according to the response from the key telephone 2 to control the telephone network connecting unit 1.
The path between 1 and the key telephone connection unit 14 is connected. As a result, a call is started between the calling side and the answer button telephone 2.

On the other hand, when there is an incoming call from the IP network 5B via the communication line 10B, the control unit 17
An incoming message is received via the P network connection unit 12. Then, the IP telephone terminal 3 is called by performing packet communication from the IP telephone terminal connecting unit 13 via the data communication path 30, and the IP network connecting unit 12 and the IP telephone terminal connecting unit are called according to the response from the IP telephone terminal 3. Thirteen
And connect the path with. As a result, a call is started between the calling side and the response IP telephone terminal 3.

When the key telephone 2 makes a telephone call via the IP network 5B, a voice packet from the IP network 5B side is input to the data / voice converting unit 16 via the IP network connecting unit 12 to obtain voice data. Is converted to. Then, the voice data is transmitted to the key telephone 2A via the switch 15 and the key telephone connecting unit 14.
Sent to. The voice data from the key telephone 2 is input to the data / voice converter 16 via the key telephone connection unit 14 and the switch 15 and converted into a voice packet. Then, it is transmitted from the IP network connection unit 12 to the IP network 5B side.

On the other hand, the IP telephone terminal 3 uses the telephone network 5
When a call is made via A, a voice signal (voice data) from the telephone network 5A is output as voice data from the telephone network connection unit 11 and is input to the data / voice conversion unit 16 via the switch 15 to output a voice. Converted to packets. Then, the voice packet is transmitted to the IP telephone terminal 3 via the IP telephone terminal connection unit 13. In addition, the IP telephone terminal 3
The voice packet from is input to the data / voice converter 16 and converted into voice data. And switch 15
Is input to the telephone network connection unit 11 via the and is output to the telephone network 5A side as a voice signal (voice data).

FIG. 2 is a block diagram showing the configuration of the IP telephone terminal. The IP telephone terminal 3 includes a data communication unit 3
1, a voice processing unit 32, a terminal control unit 33, a display unit 34, an operation unit 35, and a storage unit 36 are provided. The data communication unit 31 is a circuit unit that performs packet communication with the main device 1 via the data communication path 30. The voice processing unit 32 is a circuit unit that mutually converts a voice packet and a voice signal exchanged in the data communication unit 31 and outputs various signal sounds such as a ring tone. The terminal control unit 33 includes a microprocessor such as a CPU and its peripheral circuits, and reads a predetermined program to control each unit.

The display section 34 is a circuit section for displaying various information using an LCD or an LED. The operation unit 35 is a circuit unit that detects a user's operation using a dial key or various function keys. The storage unit 36 is a circuit unit that stores a program executed by the terminal control unit 33 and various kinds of information necessary for its processing. The IP telephone terminal 3 may be a telephone device dedicated to a call or an information communication terminal such as a personal computer having a call function. In addition, button telephone 2
2 has a data transmission unit for performing extension transmission with the main device 1 in place of the data communication unit 31.
The configuration is similar to that of the P telephone terminal 3, and detailed description thereof is omitted here.

In the above, the telephone network connection unit 11, the switch 15, the switch 15,
The case where the data / voice conversion unit 16, the key telephone connection unit 14, and the key telephone 2 are provided has been described as an example. However, in the present invention relating to a voice packet call using the IP network 5B, each of the above configurations is not essential. Alternatively, the configuration may not be provided. Further, the present invention relates to incoming call control for incoming messages from the IP network 5B, and it is sufficient that the IP telephone terminal 3 is provided with two or more, that is, a plurality.

Next, with reference to FIG. 3 to FIG. 5, an incoming operation of the key telephone device according to the present embodiment will be described. FIG. 3 is a configuration example of the incoming call management table. FIG. 4 is a flow chart showing the incoming call determination processing by the incoming call determination means. FIG. 5 is a flowchart showing the table registration processing by the table registration means. In the following, it is assumed that a key telephone device is arranged in an office, and a plurality of key telephones 2 and IP telephone terminals 3 are provided for each department and individual. The incoming call management table 17A in FIG. 3 manages the IP addresses and extension numbers of the telephones provided in each department and individual, and the incoming call-permitted calling party IP addresses are associated with these incoming call destinations. ing. Here, an extension number for extension control is also given to the IP telephone terminal 3.

For example, an IP address / extension number “XXX.YYY.ZZZ.10 / extension 10” is given to the sales department as a representative number, and a call is made as a calling-side telephone terminal permitted to receive a call to this destination. The telephone terminal other than the side IP address “AAA.BBB.CCC.1” is associated. In addition, the IP address / extension number “XXX.YY” is assigned to the individual “Yuji Sakurai” who belongs to the development department.
"Y.ZZZ.21 / extension 21" is given, and the telephone terminal of the calling side IP address "AAA.BBB.EEE.1" is associated as the calling side telephone terminal permitted to receive the call to this destination. There is.

Note that the individual "Hiroyuki Shimakawa" who belongs to the development department is given the extension number "extension number 22", and the calling side IP address "AAA.BBB" is set as the calling side telephone terminal permitted to receive the call. .FFF.2 ”telephone terminals are associated. In this case, the key telephone 2 of "extension 22" is connected to the telephone terminal of the originating IP address "AAA.BBB.XXX.1" via the IP network 5B via the data / voice conversion unit 16. In addition, the IP address / extension number “XXX.YYY.ZZZ.90 / extension 90” is given to the representative reception, and any IP telephone terminal and key telephone are associated with telephone terminals that are not permitted to receive calls. ing.

In the main device 1, as an IP address on the IP network 5B side, that is, a global IP address,
One or more IP addresses are assigned in advance, and the IP network connection unit 12 controls the termination of these global IP addresses and monitors the contents of packets destined for these global IP addresses. In addition,
An internal (LAN side) IP address is given to each IP telephone terminal 3 that performs packet communication via the data communication path 30, and is used as destination information in the incoming call management table 18A. At this time, the global IP address may be used as it is as the internal IP address. When the incoming message is acquired from the packet addressed to the global IP address via the IP network connection unit 12, the control unit 17 of the main device 1 executes the incoming call determination process of FIG. 4 using the incoming call determination unit 17A.

The incoming call determining means 17A obtains the IP address of the calling telephone terminal 4 from the incoming message (step 100) and refers to the incoming call management table 18A of the storage unit 18 (step 101) to find the calling IP address. Whether or not to register is confirmed (step 102). Here, if the originating IP address is registered (step 10
2: YES), it is determined that the calling telephone terminal is permitted to receive the call. Then, the IP address or extension number of the corresponding called telephone is acquired from the incoming call management table 18A (step 103), the called telephone is called (step 104), and a series of incoming call determination processing is ended.

At this time, when the IP address is set as the destination, the control section 17 calls the IP telephone terminal 3 corresponding to the IP address via the IP telephone terminal connecting section 13. When only the extension number is registered as the call destination, the key telephone 2 corresponding to the extension number is called from the control unit 17 via the key telephone connection unit 14. On the other hand, if the calling side IP address is not registered in step 102 (step 102: NO), as an exceptional process, the “representative reception” that is registered in the incoming call management table 18A as the destination telephone without the correspondence "IP telephone terminal is called (step 105), and a series of incoming call determination processing ends.

As described above, according to the present embodiment, the calling party IP address obtained from the incoming call message is registered in advance in the incoming call management table 18A for each IP telephone terminal to allow incoming calls. Is registered in the incoming call management table 18A, the corresponding incoming call destination telephone is called.
There is no need to perform telephone exchange work on the telephone terminal or each IP telephone terminal, and the burden on the user when receiving an incoming call can be reduced,
An easy-to-use button telephone device can be provided. In addition, the incoming call destination telephone table when there is no correspondence is set to the incoming call management table 1
If not registered in 8A, the incoming call may be rejected. As a result, incoming calls from outsiders can be rejected, and security can be improved.

Further, the call answered by the representative receptionist is transferred to the telephone terminal of the person in charge desired by the other party by a conversation with the person in charge of reception. At that time, the transfer destination user is
When the incoming call from the destination is permitted in the future, the destination may be registered in the incoming call management table 18A by the user performing a predetermined registration operation during a call with the destination. The control unit 17 uses the IP telephone connection unit 13
The registration operation is detected through the table registration means 17
The table registration process of FIG. 5 is executed using B.

The table registration means 17B first acquires the calling party IP address of the other party (step 110) and also acquires the IP address of the request source telephone terminal 3 included in the registration request (step 111). And
The incoming call management table 18 of the storage unit 18 is associated with these.
It is registered in A (step 112), and a series of table registration processing ends. The same applies to the case where the destination telephone set is the key telephone 2, and the IP address of the calling side and the extension number of the key telephone 2 are associated with each other and the incoming call management table 1
8A is registered. In this way, the calling party's IP address of the calling party is registered in the incoming call management table 18A in accordance with the registration operation during the call, so that the administrator does not need to set the main device 1 and can quickly and easily perform the setting. You can register incoming call permission to.

Next, with reference to FIG. 6, an incoming operation of the key telephone device according to the present embodiment will be described. Figure 6
FIG. 7 is a sequence diagram showing an example of an incoming call operation of the key telephone device according to the present embodiment. Here, it is assumed that two IP telephone terminals 3A and 3B are connected to the main device 1.
When an incoming message arrives from the calling telephone terminal 4 to the main device 1 via the IP network 5B (step 20)
0), in the main device 1, the incoming call determination means 17A refers to the incoming call management table 18A to make an incoming call determination (step 2).
01). Here, the IP address is set to the IP address of the calling telephone terminal 4.
If the telephone terminal 3A is associated, the IP telephone terminal 3A is called (step 202).

In response to this, when the ring tone is transmitted from the IP telephone terminal 3A and then the response operation is performed by the user (step 203), the response message is sent from the main unit 1 to the calling telephone terminal 4. Is transmitted (step 20)
4). As a result, the originating telephone terminal 4 and the IP telephone terminal 3A
A call using the voice packet is started between the two (step 205). After that, when there is a voice transfer request from the other party and a transfer operation is performed by the user at the IP telephone terminal 3A (step 211), the main unit 1 sets the calling telephone terminal 4 in the hold state and outputs a hold sound. Then, the transfer destination IP telephone terminal 3B is called (step 213).

As a result, when the ring tone is transmitted from the IP telephone terminal 3B and then the user performs the response operation (step 214), the main unit 1 causes the calling telephone terminal 4 to make a call.
Is released and the IP telephone terminal 3B is connected (step 215). As a result, a call using voice packets is started between the calling telephone terminal 4 and the IP telephone terminal 3B (step 216). Further, when the user of the IP telephone terminal 3B permits the incoming call of the other party, the IP telephone terminal 3B performs a registration operation during the call (step 21).
7). In response to this, the main device 1 receives the I
The P address and the IP address of the IP telephone terminal 3B are associated and registered in the incoming call management table 18A (step 2).
18).

Therefore, if there is an incoming call from the same calling telephone terminal 4 after this registration (step 230),
When the main device 1 determines the incoming call (step 231), the IP
The telephone terminal 3B is called (step 23)
2). Then, when the response operation is performed by the user (step 233), the response message is transmitted from the main device 1 to the calling side telephone terminal 4 (step 234). As a result, between the originating telephone terminal 4 and the IP telephone terminal 3B,
A call using the voice packet is started (step 23).
5).

Next, with reference to FIG. 7, a button telephone device according to a second embodiment of the present invention will be described. FIG. 7 shows another configuration example of the incoming call management table. In the above-described first embodiment, as the incoming call management table 18A,
The calling party's IP address included in the incoming message is used by registering the calling party's IP address and the called phone in association with each other.
The case where the incoming call determination is performed based on the address has been described as an example. In the present embodiment, as shown in FIG. 7, each global IP address assigned to main device 1 in advance is registered in the incoming call management table 18A in association with each other, and is included in the incoming call message. The case of calling the destination telephone corresponding to the destination IP address will be described.

In FIG. 7, the destination IP address "XXX.YYY.WW"
The IP address / extension number “XXX.YYY.ZZZ.10 / extension 10”, which is the representative number of the sales department, is associated with “W.10”. The destination IP address "XXX.YYY.WWW.10"
1 ”is associated with the IP address / extension number“ XXX.YYY.XXX.21 / extension 21 ”of the individual“ Yuji Sakurai ”of the development department.

An individual "Hiroyuki Shimakawa" who belongs to the development department is provided with a button telephone having an extension number "extension 22", and the destination IP address "XXX.YYY.WW" is assigned to this destination.
W.102 ”is associated. In addition, I
P address / extension number is "XXX.YYY.ZZZ.90 / extension 90"
Is added, and the destination IP address “XXX.YYY.WWW.90” is associated with this destination.

As a result, when the user on the calling side designates one of the called side IP addresses and makes a call, the called destination telephone corresponding to the called side IP address of the incoming message is based on the incoming call management table 18A. It is selected and called by the incoming call determination means 17A of the main device 1.
Therefore, as in the past, representative IP telephone terminals and IPs
There is no need to perform telephone exchange work at the telephone terminal, the burden on the user who uses the button telephone device can be reduced, and a user-friendly button telephone device can be provided.

A button telephone device according to a third embodiment of the present invention will now be described with reference to FIGS. FIG. 8 shows a packet configuration example. FIG. 9 shows another configuration example of the incoming call management table. In the above-described first embodiment, an incoming call management table 18A in which the calling IP address and the called telephone are associated and registered is used, and the incoming call determination is made based on the calling IP address included in the incoming message. The case has been described as an example. In the present embodiment, as shown in FIG. 8, a subaddress for designating a destination and a destination telephone are associated with each other and registered in the incoming management table 18A separately from the destination IP address.
The case of calling the called telephone corresponding to the sub-address included in the incoming message will be described.

As shown in FIG. 8, a packet used for a voice packet call includes an IP header 41 composed of a source IP address and a destination IP address, a TCP header 42 composed of a transmission / reception port and packet sequence information, and desired data. Each field of the TCP data 43 to be stored and a CRC 44 including check information of packet contents is configured. By storing the sub-address 45 in a part of the TCP data 43, each IP telephone terminal 3 connected to the main device 1 and further the key telephone 2 can be individually designated.

At this time, in the incoming call management server 18A, as shown in FIG. 9, the sub-address and the destination telephone set are associated and registered. Here, the IP address / extension number “XXX.YYY.ZZZ.10 / extension 10”, which is the representative number of the sales department, is associated with the sub address “10”.
For the sub-address “101”, the IP address / extension number “XXX.YYY.XXX.” Of the individual “Yuji Sakurai” of the development department.
21 / extension 21 ”is associated.

An individual "Hiroyuki Shimakawa" belonging to the development department is provided with a button telephone having an extension number "extension 22", and a subaddress "102" is associated with the called party. Further, the representative reception is provided with the IP address / extension number “XXX.YYY.ZZZ.90 / extension 90”, and the subaddress “90” is associated with this destination.

As a result, when the originating telephone terminal 4 designates one of the subaddresses and makes a call, the destination telephone corresponding to the subaddress of the incoming message is
Based on the incoming call management table 18A, the incoming call determination means 17A of the main unit 1 selects and calls it. Therefore, there is no need to perform a telephone exchange work on a representative IP telephone terminal or each IP telephone terminal as in the conventional case, the burden on the user who uses the button telephone apparatus can be reduced, and a user-friendly button telephone apparatus can be provided. .

Next, with reference to FIG. 10, a button telephone device according to a fourth embodiment of the present invention will be described.
In the above-described first to third embodiments, as shown in FIG. 1, the case where the IP telephone terminal 3 is connected to the IP telephone terminal connecting unit 13 of the main device 1 via the data communication path 30 will be described. did. In the present embodiment, each IP telephone terminal 3 is connected to the IP network connection unit 12 of the main device 1 in parallel, and
The case of being connected to the communication line 10B of the P network 5B will be described. In addition, the main device 1 of the present embodiment
Then, except that the IP telephone terminal connection unit 13 is omitted,
It has the same configuration as the main device of FIG. In addition, the IP telephone terminal 3
Also has the same configuration as in FIG.

In the configuration of such a key telephone device, each IP telephone terminal 3 has a global IP address individually. Therefore, when relying on the telephone exchange work by the user as in the conventional case, these individual global IP addresses are used. There is a problem that the main device 1 cannot manage the incoming call to the IP telephone terminal 3, and the IP telephone terminal 3 needs to perform a telephone exchange work, which imposes a burden on the user at the time of the incoming call. In addition, these IP telephone terminals 3 have a problem of low security because they directly respond to incoming calls from outsiders. In the present embodiment, when an incoming call is made to such an individual global IP address, the IP telephone terminal 3 of the main device 1
Request to judge whether or not an incoming call is possible, and I
The P telephone terminal 3 is adapted to perform incoming call processing.

In the following, as the incoming call management table 18,
Description will be made assuming that the configuration shown in FIG.
When the control unit 17 of the main apparatus 1 receives a call acceptance determination request from the IP telephone terminal 3 via the IP network connection unit 12, it executes the call determination process of FIG. 11 using the call determination unit 17A. First, the calling side address is acquired from the received determination request (step 150), and the storage unit 1
8 of the incoming call management table 18A (step 15
1) Confirm the registration of the originating IP address (step 152).

Here, if the caller IP telephone terminal 3 is included in the callees to the caller's IP address (step 152: YES), it is judged that the caller's caller terminal 4 is permitted to receive the call, and the call is permitted. Is sent to the requesting IP telephone terminal 3 (step 153), and a series of incoming call determination processing is terminated. Further, if the request source IP telephone terminal 3 is not included in the callees to the caller IP address (step 152: NO), it is determined that the caller is not allowed to call the caller IP terminal, and the caller is rejected. The IP telephone terminal 3 is notified (step 154), and a series of incoming call determination processing ends.

On the other hand, the terminal control unit 33 of the IP telephone terminal 3 executes the incoming call detection process of FIG. 12 in response to the incoming message received through the data communication unit 31. First, the calling side IP address is acquired from the received incoming message, and the main device 1 issues a call acceptability determination request including the calling side IP address.
(Step 160). After that, the determination result from the main device 1 is received via the data communication unit 31 (step 161: YES), and when the determination result indicates that the incoming call is permitted (step 162: YES), the ring tone is output from the voice processing unit 32. To notify the user of the incoming call (step 16
3) Then, a series of incoming call detection processing ends. If the result of the determination indicates that the call cannot be received (step 162: NO), the disconnection message is sent from the data communication unit 31 to the calling side without sending the ring tone, and the call is rejected (step 164). The incoming call detection processing ends.

In this way, the global I of the IP telephone terminal connected to the IP network 5B in parallel with the main unit 1
When an incoming call is made to the P address, the IP telephone terminal 3 requests the main device 1 to determine whether or not the incoming call is possible, and the IP telephone terminal 3 controls the incoming call according to the result of the determination. As described above, it is not necessary to perform telephone exchange work at each IP telephone terminal, the burden on the user when receiving an incoming call can be reduced, and a user-friendly button telephone device can be provided. In addition, the incoming call to each IP telephone terminal can be managed by the main device 1, and incoming calls from outsiders can be rejected.
Security can be improved.

In the above, the incoming call management table 18A is used.
As an example, the case of using FIG. 3 has been described. However, using the incoming call management table described in FIG. 7 (second embodiment) and FIG. 9 (third embodiment) described above, It may be possible to determine whether or not the incoming call is possible based on the IP address and the sub address.

Next, with reference to FIG. 13, an incoming call operation of the key telephone device according to the present embodiment will be described. FIG. 13 is a sequence diagram showing an example of an incoming call operation of the key telephone device according to the present embodiment. Here, it is assumed that two IP telephone terminals 3A and 3B are connected in parallel with the main device 1. Originating telephone terminal 4 to IP network 5B
When the incoming message arrives at the IP telephone terminal 3A via the IP telephone terminal 3A (step 250), the IP telephone terminal 3A uses the main unit 1
A determination request is made to (step 251). In response to this, in the main device 1, the incoming call determination means 17A refers to the incoming call management table 18A to perform the incoming call determination (step 25).
2). Here, if the request source IP telephone terminal 3A is associated with the IP address of the calling telephone terminal 4, the I
The incoming permission is notified to the P telephone terminal 3A (step 25).
3).

In the IP telephone terminal 3A, since the judgment result from the main unit 1 indicates that the incoming call is permitted, a ringing tone is sent to call the telephone (step 254), and the calling telephone terminal is responded in response to the response operation by the user. 4 sends a response message. As a result, a call using a voice packet is started between the calling telephone terminal 4 and the IP telephone terminal 3A (step 256). If the result of determination from the main device 1 indicates that the call cannot be received (step 260), a disconnection message is sent to the calling telephone terminal 4 (step 261). As a result, the incoming call is rejected.

[0055]

As described above, according to the present invention, in the incoming call management table of the main device, the identification information consisting of the calling side IP address or the called side IP address included in the incoming message is associated with the IP telephone terminal. Managing and referring to this incoming call management table, any one or more I's corresponding to the identification information included in the incoming message from the IP network.
Since the P telephone terminal is determined as the destination, it is not necessary to perform the telephone exchange work on the representative IP telephone terminal or each IP telephone terminal as in the conventional case, and the burden on the user at the time of the incoming call can be reduced, An easy-to-use button telephone device can be provided.

[Brief description of drawings]

FIG. 1 is a block diagram showing a configuration of a key telephone device according to a first embodiment of the present invention.

FIG. 2 is a block diagram showing a configuration of an IP telephone terminal.

FIG. 3 is a configuration example of an incoming call management table.

FIG. 4 is a flowchart showing an incoming call determination process in the main device.

FIG. 5 is a flowchart showing registration request processing in the main device.

FIG. 6 is a sequence diagram showing an example of an incoming call operation of the key telephone device according to the first embodiment.

FIG. 7 is another configuration example of the incoming call management table.

FIG. 8 is a configuration example of a packet.

FIG. 9 is another example of the configuration of the incoming call management table.

FIG. 10 is a block diagram showing a configuration of a key telephone device according to a fourth embodiment of the present invention.

FIG. 11 is a flowchart showing another incoming call determining process in the main device.

FIG. 12 is a flowchart showing an incoming call detection process in the IP telephone terminal.

FIG. 13 is a sequence diagram showing an example of an incoming operation of the key telephone device according to the fourth embodiment.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Main apparatus, 11 ... Telephone network connection part, 12 ... IP network connection part, 13 ... IP telephone terminal connection part, 14 ... Button telephone connection part, 15 ... Switch, 16 ... Data / voice conversion part, 17 ... Control part , 17A ... Incoming call determining means, 17B ... Table registration means, 18 ... Storage section, 18A ... Incoming call management table, 2 ... Button telephone, 3 ... IP telephone terminal, 31 ... Data communication section, 32 ... Voice processing section, 33 ... Terminal Control unit, 3
4 ... Display unit, 35 ... Operation unit, 36 ... Storage unit, 4 ... Calling side telephone terminal, 5A ... Telephone network, 5B ... IP network, 10
A ... telephone line, 10B ... communication line, 20 ... extension transmission line,
30 ... Data communication path.

   ─────────────────────────────────────────────────── ─── Continued front page    (72) Inventor Shigeyuki Matsuki             2-3 2-3 Shimo-Meguro, Meguro-ku, Tokyo Stocks             Company Tamura Electric Works F term (reference) 5K024 AA74 BB04 CC04 CC07 DD03                       EE01 GG05                 5K030 HA08 HB01 HD06 JA13 JT01                       KA05 LB01                 5K049 AA15 BB07 BB13 CC11 EE02                       FF02 FF12 FF36 GG07                 5K051 AA03 BB01 BB02 CC01 CC02                       CC04 DD01 DD03 EE01 EE02                       FF07 HH17 HH18 HH27 JJ04                       KK01

Claims (8)

[Claims] 1. A button comprising a main device connected to an IP network and a plurality of IP telephone terminals connected to the main device, wherein the main device performs an incoming call control according to an incoming message from the IP network. In the telephone device, the main device includes identification information including an originating IP address or a destination IP address included in an incoming message and the I
An incoming call management table that manages P telephone terminals in association with each other, and any one or more IP telephone terminals corresponding to the identification information included in the incoming message from the IP network by referring to the incoming call management table A key telephone device, comprising: 2. The key telephone device according to claim 1, wherein the main device uses the incoming call management table in the destination IP.
By managing the sub-address included in the incoming message as identification information for designating a destination separately from the address in association with the IP telephone terminal, the incoming call determining means refers to the incoming call management table. A key telephone device, wherein an IP telephone terminal corresponding to a sub-address included in the incoming message is determined as a destination. 3. A main device connected to an IP network, and a plurality of IP telephone terminals connected in parallel to the main device for the IP network, wherein the main device receives an incoming call from the IP network. In a key telephone device for controlling incoming call according to a message, the main device includes identification information including an originating IP address or a destination IP address included in an incoming message and the I
An incoming call management table that manages P telephone terminals in association with each other, and the incoming call management based on an incoming call determination request transmitted from the IP telephone terminal in response to receipt of an incoming message from the IP network at the IP telephone terminal. Referring to the table, any one or more IP telephone terminals corresponding to the identification information included in the incoming message is determined as the destination, and when the destination includes the IP telephone terminal, the incoming permission is given. A key telephone device, comprising: an incoming call determining means for notifying the IP telephone terminal and notifying the IP telephone terminal of rejection of the incoming call when the destination does not include the IP telephone terminal. 4. A main device connected to an IP network, and a plurality of IP telephone terminals connected in parallel to the main device to the IP network, wherein the main device receives an incoming call from the IP network. In an IP telephone terminal used in a button telephone device that performs incoming control according to a message, an incoming call determination request is made to the main device in response to reception of the incoming message, and based on the determination result from the main device in response to the incoming call determination. An IP telephone terminal comprising a terminal control unit for making a call or rejecting an incoming call according to the incoming message. 5. A key telephone device comprising a main device connected to an IP network and a plurality of IP telephone terminals connected to the main device, the button telephone device being executed by a computer provided in the main device, A program for causing the main device to perform an incoming call control according to an incoming message from an IP network, wherein the computer includes a calling IP address included in the incoming message in an incoming call management table provided in the main device. Alternatively, the step of managing the identification information composed of the destination IP address and the IP telephone terminal in association with each other, and referring to the incoming call management table according to the incoming message from the IP network, the identification information included in the incoming message can be obtained. To execute a step of determining any one or more corresponding IP telephone terminals as a destination. Program of. 6. The program according to claim 5, wherein in the incoming call management table, the subaddress included in the incoming call message as identification information for designating a called party separately from the called party IP address is set to the IP telephone. A program for executing a step of managing in association with a terminal and a step of determining an IP telephone terminal corresponding to a sub-address included in the incoming message as a destination by referring to the incoming call management table. 7. A key telephone device comprising a main device connected to an IP network and a plurality of IP telephone terminals connected in parallel to the main device to the IP network, and provided in the main device. Is a program executed by a computer to cause the main device to perform an incoming call control according to an incoming message from the IP network, wherein the computer has an incoming call management table provided in the main device, Managing the IP telephone terminal in association with the identification information consisting of the source IP address or the destination IP address included in the incoming message, and the IP telephone according to the receipt of the incoming message at the IP telephone terminal When the incoming call destination is determined based on the incoming call determination request transmitted from the terminal and the incoming call destination is the IP telephone terminal, Is a program for performing a step of notifying the IP telephone terminal of permission of incoming call, and notifying the IP telephone terminal of refusal of incoming call when the destination is not the IP telephone terminal. 8. A key telephone device comprising a main device connected to an IP network and a plurality of IP telephone terminals connected to the IP network in parallel with the main device, wherein A program executed by a computer provided for causing an incoming call control according to an incoming message from the IP network to be performed by the IP telephone terminal, the computer being capable of receiving an incoming message from the IP network. A program for executing the step of requesting the incoming call determination to the main device according to the above, and the step of calling or rejecting the incoming call according to the incoming message based on the determination result from the main device according to the request.